/*
 * Copyright 2016 higherfrequencytrading.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.openhft.chronicle.queue.impl.single;

import net.openhft.chronicle.wire.DocumentContext;
import net.openhft.chronicle.wire.Wire;

/**
 * Created by peter on 12/02/2016.
 */
public enum NoDocumentContext implements DocumentContext {
    INSTANCE;

    @Override
    public boolean isMetaData() {
        return false;
    }

    @Override
    public void metaData(boolean metaData) {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean isPresent() {
        return false;
    }

    @Override
    public boolean isData() {
        return false;
    }

    @Override
    public Wire wire() {
        return null;
    }

    @Override
    public int sourceId() {
        return -1;
    }

    @Override
    public long index() {
        return Long.MIN_VALUE;
    }

    @Override
    public boolean isNotComplete() {
        return false;
    }

    @Override
    public void close() {

    }
}
